6. Fitbit Ionic

Even if your girlfriend is the fittest chick in town, a fitness tracker is a great way for her to get more detailed stats on everything from her cardio sessions to her sleep patterns.

Fitbit’s latest model isn’t just its most aesthetically pleasing–it’s the brand’s smartest yet. With a slew of new features, it stores music, has a built-in GPS, and offers personalized coaching. It also plays smartwatch just as well as it tracks fitness, giving her access to popular phone apps, contactless payment, and a battery life of up to five days. ($299, fitbit.com)